What do you want your network to do for you?
iPower Technologies prides itself in being at the forefront of today's business technology trends. We make the investment in our vendor partnerships and technical staff training so that we can right size products and solutions to your specific business challenge. With expertise, and hundreds of highly technical installations and projects successfully completed we can keep your complex projects moving in the right direction.
SANs can do some pretty fancy things that would otherwise be impossible. These include global file systems and the ability to move storage between servers with virtually no downtime. In fact, the whole way you think about storage, and its hassles, can be thrown out the window when you move to a SAN.
The benefits of a storage network are seemingly endless. Your storage suddenly becomes fault-tolerant because you can lose a Fibre Channel switch, a disk array controller or a host HBAs and everything should continue working. With the right selection of products, a company can also employ fewer people to manage storage, thanks to the wonderful tools available for dealing with configuration tasks. Data security and storage utilization are also increased with a careful SAN deployment.
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These days it isn't hard to sell the technology to the business leaders, and hopefully storage administrators are sold as well. Less employee overhead is attractive to both administrators and managers, but the real benefit for the administrators, aside from reliability and all that important stuff, is the neat things you can do with a SAN.
Storage: Here, There, Everywhere
Perhaps the most exciting prospect of moving to a SAN environment is the introduction of easy storage migration. In an old, direct attached storage environment (DAS), if some storage needed to move to a new server, this would involve a lengthy process. We'd first unmount the file systems using the storage, then physically unplug the unit, move it, connect it to a new host, and bring up the file systems on the new machine. What a hassle! In fact, it was probably more common to need to allocate more storage to just a few LUNs. If the disk array was already full, you'd have no choice but to copy the file systems to a new array.
Server virtualization is the concept of treating a physical server as multiple logical servers. How does that help? Let’s have a look.
Virtual servers reduce your costs. Virtualization causes you to buy less hardware thereby saving you money. Also the operating costs are reduced with virtualization.
Virtualization makes the servers stable and reduces downtimes considerably thereby making servers and the websites hosted on them available at all times. It ensures high availability and delivers prompt disaster recovery thereby offering you business continuity.
Virtualization of servers lets you utilize the resources to the fullest. With automation and better utilization of available resources, virtualization increases the efficiency of the server.
In virtualization, a physical server is partitioned into multiple logicals and these logicals are independent of one another. As they don’t interfere with others, they promise increased security. This is the reason virtual private servers are often used as sandboxes or honeypots.
Another benefit of server virtualization is that it helps save space in your data centers as the number of physical servers is much less than the number of servers that are being used.
Now, virtualization sounds really good. But when do you need it? Do you need it if you have a dedicated server? Well, as I have said earlier, virtual server hosting works best as a stopover between shared hosting and dedicated hosting.
Server virtualization is a fairly new technology that's already broken into the mainstream, but servers aren't the only computers that can benefit from virtualization. If your clients have already virtualized some servers and are comfortable with that technology, they may want to consider virtualizing employees' desktops as well. In this installment of our Virtualization Projects Hot Spot Tutorial, we'll examine the benefits of desktop virtualization and a few different ways of implementing it.
As every IT administrator knows, managing employees' desktops and laptops can be a huge hassle. Even with management tools to help, applying patches to the operating system (OS) or even upgrading applications can be a time- and labor-intensive task. Desktop virtualization can alleviate that by allowing administrators to provide just a few virtual machine (VM) images, or templates for VMs, which all employees use. Other benefits of desktop virtualization include increased security and a way to let employees control their computer environments while also allowing IT to lock down business-related functions.
The fundamental technology behind desktop virtualization is similar to server virtualization: An administrator creates a VM image file that contains a computer's operating system, drivers, applications, files and settings. A virtualization engine then runs the VM, which behaves as if it were a regular,nonvirtualized computer. The physical computer running the VM, called the host, can either be the user's computer or a centralized server.
One of the most significant benefits of desktop virtualization is that it gives IT administrators an easy and centralized way to manage employees' computers. Instead of each computer being separate, administrators create just a handful of VMs or VM templates for different roles within a company. For instance, a company may create one VM for each worker in a call center and another for each sales representative. These VMs would include not just the operating system, but also any applications and drivers the employee would need. Such deployments work best where many employees need essentially the same functionality.
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